Principal Software Engineer, Foundational Platform

Moon•Hacienda Heights, CA

109d

About The Position

We are seeking an accomplished Principal Software Engineer to play a pivotal role in shaping our Foundational Platform. As a technical leader, you will influence architecture, drive platform scalability, and ensure engineering excellence across the stack. You will be hands-on with coding and design while also mentoring engineers, setting standards, and collaborating with product and infrastructure stakeholders to ensure that our platform empowers the entire company to move faster with confidence. This demanding role requires an unwavering commitment to excellence and a high-performance mindset. We are seeking exceptionally driven individuals who are not content with the status quo, who thrive on pushing boundaries far beyond a typical 9-5 schedule, relentlessly embracing cutting-edge technology, and leading rapid, groundbreaking development to fundamentally shape the future of business operations. This is not for the faint of heart; it is for those who are prepared to work with intense dedication and intellectual prowess to achieve extraordinary results.

Requirements

Extensive experience building and scaling distributed systems, cloud-native platforms, and microservices architectures.
Proven expertise in C# and .NET Core (or equivalent experience in another modern backend stack such as Go, Node.js, or Python).
Solid understanding of Microsoft Azure services, including deployment, scaling, and monitoring.
Hands-on experience with Kubernetes, Docker, and container orchestration.
Strong background in infrastructure as code (e.g., Terraform, Bicep, or ARM templates).
Experience with relational and non-relational databases such as PostgreSQL, CosmosDB, or similar.
Familiarity with front-end development using React.
Strong problem-solving skills, with the ability to design solutions to complex platform challenges.
Excellent communication and collaboration skills, with experience working across multiple product teams.
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.

Nice To Haves

Experience in building internal platforms or developer enablement frameworks.
Background in observability stacks (Prometheus, OpenTelemetry, ELK, etc.).
Prior work in a greenfield platform initiative or significant platform modernization effort.
Contributions to open-source infrastructure, microservices frameworks, or developer tooling projects.

Responsibilities

Lead the architectural design and development of a cloud-native, microservices-based Foundational Platform, focusing on scalability, security, and developer productivity.
Write clean, maintainable, and efficient code, ideally in C# and .NET Core, but also bring experience with other backend languages and frameworks.
Define and drive adoption of best practices in microservices design, cloud-native architecture, CI/CD, observability, and infrastructure automation.
Collaborate with product engineers, SREs, and other stakeholders to design APIs, frameworks, and tools that empower product teams to deliver features faster and more reliably.
Contribute to front-end components using React where applicable to build platform-facing interfaces and tools.
Mentor and coach engineers at all levels, fostering technical growth and a culture of excellence.
Conduct design and code reviews to ensure quality, maintainability, and adherence to architectural guidelines.
Troubleshoot and resolve complex platform-level issues, ensuring stability and performance across services.
Stay current with emerging technologies in cloud computing, distributed systems, microservices, and developer tooling.
Contribute to the technical strategy and long-term roadmap for the Foundational Platform.